Microbial   counts (cfu/g)    
  Iyanomo Akwete Iyanomo Akwete
  (May) (June) (September) (October)
Fungi        
A . niger 2.5×104 2.4×104 6.2×103 6.4×103
Trichoderma spp. 8.7×102 5.0×102 1.4×103 6.0×103
Penicillium spp. 1.7×103 3.0×104 2.8×103 2.7×104
Mucor sp. 9.0×102 0.0 6.3×102 8.4×102
Bacteria        
B. cereus var mycoides 4.1×103 0.0 ND ND
Staphylococcus sp. 4.6×105 3.8×105 ND ND
ND = Not Determined
Table 3: Occurrence of fungi and bacteria (cfu/g) in the rhizosphere of rubber plants at Iyanomo and Akwete plantations.